/Engine/Source/Runtime/MediaAssets/Public/IMediaAssetsModule.h
The proxy object will implementIMediaPlayerProxyInterface.
Media player, or nullptr if none found.
[UMediaPlayer](API\Runtime\MediaAssets\UMediaPlayer) * GetPlayerFromObject ( [UObject](API\Runtime\CoreUObject\UObject\UObject) * Object, [UObject](API\Runtime\CoreUObject\UObject\UObject) *& PlayerProxy )